From 7a2f69e4cf9771c9450b009ea5deaaa07e279f11 Mon Sep 17 00:00:00 2001
From: wzy <wzy19931122ai@163.com>
Date: Thu, 28 Jul 2022 22:44:42 +0800
Subject: [PATCH] fix
---
src/main/java/cc/mrbird/febs/dapp/chain/EthService.java | 36 ++++++++++++++++++++++++++++++++++++
1 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
index 66f037d..d6e8e84 100644
--- a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
+++ b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
@@ -360,4 +360,40 @@
}
return BigInteger.ZERO;
}
+
+ @Override
+ public String safeMintNFT(String toAddress) {
+ String gas = getGas();
+
+ try {
+ Credentials credentials = Credentials.create(privateKey);
+ EthGetTransactionCount ethGetTransactionCount = web3j
+ .ethGetTransactionCount(ownerAddress, DefaultBlockParameterName.LATEST).sendAsync().get();
+ BigInteger nonce = ethGetTransactionCount.getTransactionCount();
+ Function function = new Function("safeMint",
+ Arrays.asList(new Address(toAddress)),
+ Arrays.asList(new TypeReference<Type>() {
+ }));
+
+ String encodedFunction = FunctionEncoder.encode(function);
+ RawTransaction rawTransaction = RawTransaction.createTransaction(nonce,
+ Convert.toWei(gas, Convert.Unit.GWEI).toBigInteger(),
+ Convert.toWei("1000000", Convert.Unit.WEI).toBigInteger(), contractAddress, encodedFunction);
+
+ byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, credentials);
+ String hexValue = Numeric.toHexString(signedMessage);
+
+ CompletableFuture<EthSendTransaction> ethSendTransactionCompletableFuture = web3j.ethSendRawTransaction(hexValue).sendAsync();
+ EthSendTransaction ethSendTransaction = ethSendTransactionCompletableFuture.get();
+
+ if (ethSendTransaction.hasError()) {
+ return "";
+ } else {
+ return ethSendTransaction.getTransactionHash();
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ return "";
+ }
+ }
}
--
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